The communication is strategic in Public Health because it is at the heart of who we are as human beings. It is our way of exchanging information and it also ensures the effectiveness of empowerment strategies. In this semantic context, the effective communication/education/information can be a Patient Safety tool because can reduce the adverse events by failure of information or education. In the multicultural collectivity, the risk of miscommunication and unsafe care is very high. This paper describes the design of a multilingual information/education tools to reduce the information failure in vaccination and the related adverse events by information failure or deficiency of adherence in the paediatric vaccination.